var mongoose = require('mongoose');
var BaseModel = require("./base_model");
var Schema = mongoose.Schema;
var utility = require('utility');

var UserSchema = new Schema({
    name: {type: String},
    loginname: {type: String},
    pass: {type: String},
    email: {type: String},
    url: {type: String},
    profile_image_url: {type: String},
    location: {type: String},
    signature: {type: String},
    profile: {type: String},
    weibo: {type: String},
    avatar: {type: String},

    // github
    githubId: {type: String},
    githubUsername: {type: String},
    githubAccessToken: {type: String},

    is_block: {type: Boolean, default: false},

    score: {type: Number, default: 0},
    topic_count: {type: Number, default: 0},
    image_count: {type: Number, default: 0},
    board_count: {type: Number, default: 0},
    reply_count: {type: Number, default: 0},
    follower_count: {type: Number, default: 0},
    following_count: {type: Number, default: 0},
    collect_tag_count: {type: Number, default: 0},
    collect_topic_count: {type: Number, default: 0},
    collect_board_count: {type: Number, default: 0},
    like_image_count: {type: Number, default: 0},
    get_image_count: {type: Number, default: 0},

    create_at: {type: Date, default: Date.now},
    update_at: {type: Date, default: Date.now},
    is_star: {type: Boolean},
    level: {type: String},
    active: {type: Boolean, default: false},

    receive_reply_mail: {type: Boolean, default: false},
    receive_at_mail: {type: Boolean, default: false},
    from_wp: {type: Boolean},

    retrieve_time: {type: Number},
    retrieve_key: {type: String},

    accessToken: {type: String},
});

UserSchema.plugin(BaseModel);
UserSchema.virtual('avatar_url').get(function () {
    var url = this.avatar || ('https://gravatar.com/avatar/' + utility.md5(this.email.toLowerCase()) + '?size=48');

    // www.gravatar.com 被墙
    url = url.replace('www.gravatar.com', 'gravatar.com');

    // 让协议自适应 protocol，使用 `//` 开头
    if (url.indexOf('http:') === 0) {
        url = url.slice(5);
    }

    // 如果是 github 的头像，则限制大小
    if (url.indexOf('githubusercontent') !== -1) {
        url += '&s=120';
    }

    return url;
});

UserSchema.virtual('isAdvanced').get(function () {
    // 积分高于 700 则认为是高级用户
    return this.score > 700 || this.is_star;
});

UserSchema.index({loginname: 1}, {unique: true});
UserSchema.index({email: 1}, {unique: true});
UserSchema.index({score: -1});
UserSchema.index({githubId: 1});
UserSchema.index({accessToken: 1});

UserSchema.pre('save', function (next) {
    var now = new Date();
    this.update_at = now;
    next();
});

mongoose.model('User', UserSchema);
